Jump to content

Harn Network


GEO*Trailblazer 1

Recommended Posts

The differnce between the HARN and CORS is that you have to physically occupy the HARN stations whereas the CORS are permanently occupied and you just need to download the data to match your survey. Since the CORS are running 24/7, it can be determined how stable the positions are, whereas the HARN's are existing (for most part) horizontal and vertical control marks that are subject to movement from frost, construction activities and vandalish. Depending on the amount of CORS in your area, it can be much quicker to use CORS data. I know we used HARN for a while but when our CORS went online, we saved a lot of time by using the CORS data in our highway improvment Surveys. In 2001 we reobserved our HARN when we positioned our CORS stations.

Link to comment

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Loading...
×
×
  • Create New...